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  1. #1
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    Nov 2012
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    Default Track-Warrior Builds - RSRT & BYO

    This thread is devoted to Ron Sutton Race Technology Track-Warrior Builds

    Thread Guidelines


    RSRT Clients & RSRT Authorized Track-Warrior Builders are encouraged to:

    • Show & talk about your build with front and/or Track-Warrior rear clips or complete Track-Warrior chassis
    • Show the car & share info about your unique build from start to finish … like a build thread
    • Show & talk about how you built your car … your way.
    • Show & talk about how your car is unique


    Guests are encouraged to ask questions & make comments


    PLEASE:



    RSRT Clients & RSRT Authorized Track-Warrior Builders please use this format at the TOP OF EVERY POST … so people can tell it’s your car.


    Format to use
    Car Year & Model:
    Competing in:
    Front Clip/Suspension:
    Rear Clip/Suspension:
    Engine:
    Trans:
    Brakes:
    Owner:
    Builder:

    Examples
    Car Year & Model: 70 Ford Mustang Fastback
    Competing in: NASA TTU & Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Track-Warrior 3 LS7 700 HP
    Trans: Sequential Shift T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Greg Weld
    Builder: Randy Chastain – One Off Customs

    Car Year & Model: 65 Chevelle aka “G-Velle”
    Competing in: Autocross
    Front Clip/Suspension: AXT Track-Warrior
    Rear Clip/Suspension: Ober-Link Rear Suspension
    Engine: Mast LS3 625HP
    Trans: Bowler T56 6-speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Aaron Oberle
    Builder: Aaron Oberle

    Car Year & Model: 70 Plymouth Cuda
    Competing in: optima Ultimate Street Car & Road Course Track Days
    Front Clip/Suspension: TA Track-Warrior Front Clip
    Rear Clip/Suspension: GT Track-Warrior Rear Clip
    Engine: Twin Turbo 488" R3 Dodge NASCAR Engine
    Trans: T56 6-speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Craig Scholl
    Builder: Craig Scholl

    Then write your text & show photos of your car build !!
    Last edited by Ron Sutton; 03-05-2018 at 12:36 PM.
    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!


  2. #2
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    Nov 2012
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    Sacramento, CA
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    Default

    Car Year & Model: 69 Ford Torino
    Competing in: Road Course Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Aluminum Ford FE 428" 750 HP
    Trans: T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Mark Milliron
    Builder: Randy Chastain – One Off Customs

    Everything starts somewhere. This project started with Mark Milliron's favorite NASCAR stock car in mind, the 69 Torino body.

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    Mark had this car complete at one time.

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    But had this in mind for it:

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    Follow along as Randy Chastain at One-Off Customs & Mike Tolle from Tolle Fab collaborate to build this car into a roller with Ron Sutton Race Technology GT Track-Warrior front & rear suspension, cage design & more.

    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  3. #3
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    Nov 2012
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    Default

    Car Year & Model: 65 Chevelle aka “G-Velle”
    Competing in: Autocross
    Front Clip/Suspension: AXT Track-Warrior
    Rear Clip/Suspension: Ober-Link Rear Suspension
    Engine: Mast LS3 625HP
    Trans: Bowler T56 6-speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Aaron Oberle
    Builder: Aaron Oberle

    My good friend Aaron Oberle is struggling with some health issues right now. Please keep him in your prayers. He is a great guy & we need him here for quite a while longer. I decided to post some of his build for him & he can take it over when he's feeling better.

    Aaron has been running this Chevelle for quite a while. We became friends back in 2014 so I think this photo was back in 2014 or so. I added the lines so we could see how much roll angle he had back then.

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    He has built it to this now, with 315's on all corners, a lower stance, more power & a mean handling package.

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    We at Ron Sutton Race Technology started by building him a semi-custom (as they all are) AXT Front clip & Suspension.
    * AXT stands for Autocross & Track. These AXT front frame & suspension packages are superior to our (and other) TA2 designs, but not as high travel as our TA front clips.

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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  4. #4
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    Nov 2012
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    Default

    Car Year & Model: 70 Ford Mustang Fastback
    Competing in: NASA TTU & Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Track-Warrior 3 LS7 700 HP
    Trans: Sequential Shift T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Greg Weld
    Builder: Randy Chastain – One Off Customs

    Greg decided he wanted something faster & meaner than his 65 Mustang Fast Back he was tracking & told me to build him one of our GT Track Warrior cars "turn key." We made his 65 is crazy fast for only having 245 tires all around and Zero Aero downforce with great suspension & brakes. But this new machine is going to be MEAN!

    Light ... 2700#. Lots of aero dowforce ... 1500# ++. Good Power ... 700HP. Sequential no-lift-shift 6-speed. 335 slicks on all 4 corners. Giddy Up !!

    It started with the selection of a cool, good looking 70 Fastback Mustang body ... and the desire to make it "meaner." Track width is grip. Pure & simple. So we decided we wanted the body 6" wider ... from the fenders down ... so the greenhouse stayed the same size (so as not to increase drag). I had a lot of changes made to the body to increase downforce. I'll explain them as we show you the car build.

    Now getting the body built ... in fiberglass ... took longer than planned, primarily due to all the customization. We can normally get a complete fiberglass body shell, front end, doors, hood, deck lid, etc ... in about 3-4 months. This one took 6 months.

    Here are some photos of the body building process.

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    The body shell arrived at Randy Chastain's One-Off Customs shop 10 days ago. Since then, he already has the front clip, rear clip & subframe built with the engine, trans & fuel cell mocked up. Now he's mounting the body. We'll show you those as we go along with the build.

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    We plan to shake the car down at Thunderhill Raceway in Northern California at the end of June, so the actual car build is hauling ass. Stay Tuned Boys & Girls !
    Last edited by Ron Sutton; 03-04-2018 at 01:19 PM.
    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  5. #5
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    Default

    For Greg Weld's 70 Fastback Mustang Track-Warrior ... we had a custom body built that is 6" wider! It's 3" wider on each side, right where the greenhouse (roof & pillars) meet the body.

    This was done by hand with fiberglass veterans with experience doing custom bodies.

    Here is a progression of the body being built.



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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  6. #6
    Join Date
    Apr 2010
    Location
    Jersey Shore
    Posts
    483
    Country Flag: United States

    Default

    Happy to be a part of this club!

    Car Year & Model: 1969 Corvette Coupe
    Competing in: open track days, local auto-x, grocery runs
    Front Clip/Suspension: RSRT AXT
    Rear Clip/Suspension: Custom 5 Link IRS
    Engine: 427 SBC
    Trans: GTO L56
    Brakes: RSRT Stoptech ST60/40 w/ Teves MK60 ABS
    Owner: Chris Rauso
    Builder: DMP Fabrication (chassis fab) AutoWorks (everything else)

    The car prior to this frame off was a very fun triple duty street/autox/road course car with mostly off the shelf suspension upgrades with a few of my own geometry and brake tweaks. It wasnt competitive and had its limitations but I had fun beating the hell out of it on a daily basis. As with all projects I decided to change it up and that snowball has now turned into an avalanche

    having trouble uploading some of my pictures full size
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    Initial chassis jig


    Rear suspension shot
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    Not sure if this is blasphemy or not to post a picture of my front clip chopped up! The clip would not fit my firewall/floorpan as-is


    Mocked up



    Motor mounts to clear the steering shaft

    -Chris
    '69 Corvette
    '55 Chevy Hardtop
    AutoWorks Middletown, NJ
    @autoworksnj for corvette and shop car pics
    http://www.pro-touring.com/showthrea...e-Build-Thread

  7. #7
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    Default

    It's coming along Chris !!
    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  8. #8
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    Default

    Greg Weld's 70 Mustang Track-Warrior Blueprint (without dimensions)





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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  9. #9
    Join Date
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    Car Year & Model: Mustang TA Body
    Competing in: SCCA GT1 & SPO
    Front Clip/Suspension: GT1 Track-Warrior
    Rear Clip/Suspension: GT1 Track-Warrior
    Engine: Ford NASCAR Cup Engine
    Trans: Jerrico 4-Speed
    Brakes: Brembo NASCAR Road Race Brakes
    Owner: Dan Kowaleski
    Builder: Dan Kowaleski

    Dan Kowaleski had been running a modified (enlarged) Mustang Trans Am body on a NASCAR Cup Car chassis for quite awhile. He decided he wanted to build a more modern, lighter Trans Am style chassis & modify his Mustang body back to the original Trans Am shape & size.

    Dan reached out to us for the chassis design, geometry work up & suspension set up. Other than providing that, our shock valving & parts to build his new hot rod ... Dan did ALL the work himself in his 2-car garage. It's pretty cool to see a guy build his own road race car & race it.

    Here was his old car (NASCAR Cup Chassis & bigger Body)

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    Here is a side view of the blueprints:

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    Old Body:

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    4" Shorter Body for new chassis:

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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  10. #10
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    Car Year & Model: 70 Ford Mustang Fastback
    Competing in: NASA TTU & Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Track-Warrior 3 LS7 700 HP
    Trans: Sequential Shift T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Greg Weld
    Builder: Randy Chastain – One Off Customs

    Here are some EARLY photos of Greg Weld's 70 Mustang the front end. I say "early" because we've made changes & advancements to it since these. But you'll get to see the progression this way. I'll show the changes we made & why we made them.

    Early stages of front end customization. You can see where the front end has been widened 3" on each side for a total of 6" wider. This is all to widen the track width & make room for 335/30/18 Hoosier Slicks all the way around.

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    The top red circle shows where the Ford style is shaped into the nose. We'll be removing that ... smoothing & rounding the nose ... and making the hood flat in front of the eventual 4" cowl hood scoop.

    The red circle on the bottom is just to point out that the air dam mocked up here is NOT going to stay that shape. It will also be rounded. Gotta start somewhere.

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    This photo shows the rear of the body shell after it was widened 6" & re-gel coated.
    Yes, those are 69-70 Shelby Tail Lights. The actual lights will be LEDs.

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    This is a good photo showing what the factory tail panel kick up looked like. If I left this as is, it would seriously affect airflow off the back of the car. So we leveled it out as you can see in the second photo.

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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  11. #11
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    Nov 2012
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    Car Year & Model: 47 REO Speedwagon Truck ... Yes, really !
    Competing in: Street, Autocross & Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: LS Engine
    Trans: 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Robert Taylor
    Builder: Robert Taylor

    Where's the trucks? Where is a really unique build utilizing RSRT Track-Warrior chassis design & suspensions?

    Her ya go! Robert took the cab from a 1947 REO Speedwagon & is building a wicked cool ... and wicked fast ... play toy.

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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  12. #12
    Join Date
    May 2014
    Location
    Los Alamos
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    7
    Country Flag: United States

    Default

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Size:  241.6 KBOld photos, I changed a lot mid stream. Again.
    One of my “sacred cows” was to go with the wide 5 wheels & hubs.
    Two tries later, spindles still don’t fit, and even if modified again so everything would clear, geometry & brakes are compromised with 15” wheels.
    So scrapping that idea, new pieces ordered, I’ll post more when they arrive.

  13. #13
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    Quote Originally Posted by rmt View Post
    So scrapping that idea, new pieces ordered, I’ll post more when they arrive.
    Looking good Robert !
    Hopefully your new pieces get built & shipped soon.
    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  14. #14
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    Car Year & Model: 65 Chevelle aka “G-Velle”
    Competing in: Autocross
    Front Clip/Suspension: AXT Track-Warrior
    Rear Clip/Suspension: Ober-Link Rear Suspension
    Engine: Mast LS3 625HP
    Trans: Bowler T56 6-speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Aaron Oberle
    Builder: Aaron Oberle

    My Buddy Aaron Oberle is out of the hospital now. Hopefully everything goes well. Here are some more photos of his great Chevelle Build with our AXT semi-custom front clip ... and Aaron's own design of 3-link he calls the "Ober-Link." Love it !!!


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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  15. #15
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    Nov 2012
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    Car Year & Model: 70 Ford Mustang Fastback
    Competing in: NASA TTU & Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Track-Warrior 3 LS7 700 HP
    Trans: Sequential Shift T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Greg Weld
    Builder: Randy Chastain – One Off Customs

    The first photos here show the new steel inner rocker panel Randy builds for the fiberglass body. They utilize nutserts. The frame will have matching holes to bolt the rocker panels to the frame. It will also attach in 6 other locations. The body "can be" removed in about an hour or so. The goal is not to make the body come off quickly, nor often, just if need be to make repairs.

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    The odd braces are to keep everything true until the roll cage is installed.

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    Off to get the roll cage installed at Tolle Fab, a few doors down.

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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  16. #16
    Join Date
    Nov 2012
    Location
    Sacramento, CA
    Posts
    2,552
    Country Flag: United States

    Default

    Car Year & Model: 70 Ford Mustang Fastback
    Competing in: NASA TTU & Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Track-Warrior 3 LS7 700 HP
    Trans: PPG Sequential Shift T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Greg Weld
    Builder: Randy Chastain – One Off Customs

    We had to measure the body ... to be absolutely sure ... of the dimensions for tire width, track width, etc ... before we built the clips. The day the body arrived, we measured it. The front & rear frame clips with suspension were done 2 days later.



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    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  17. #17
    Join Date
    Nov 2012
    Location
    Sacramento, CA
    Posts
    2,552
    Country Flag: United States

    Default

    Car Year & Model: 69 Ford Torino
    Competing in: Road Course Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Aluminum Ford FE 428" 750 HP
    Trans: T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Mark Milliron
    Builder: Randy Chastain – One Off Customs

    I don't have photos of Mark Milliron's front clip being built, but they get built in our proprietary jig fixure that insures everything is true & the critical suspension points are exact. When they are done, they look like these.

    This is a GT Clip, similar to the one in Mark Milliron's Torino today.

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    This is Mark's Torino, after Randy Chastain at One Off Customs removed the floor & firewall. It's the chassis jig with the clip in place & the rear frame rails mocked up.

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    [SIZE="3"]Next update for this car will show your the center frame build & then the roll cage & suspension.


    Last edited by Ron Sutton; 03-15-2018 at 06:53 AM.
    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  18. #18
    Join Date
    Nov 2012
    Location
    Sacramento, CA
    Posts
    2,552
    Country Flag: United States

    Default

    Car Year & Model: 70 Ford Mustang Fastback
    Competing in: NASA TTU & Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Track-Warrior 3 LS7 700 HP
    Trans: PPG Sequential Shift T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Greg Weld
    Builder: Randy Chastain – One Off Customs

    Here are some photos with the mid-frame structure done at Randy Chastain's "One-Off Customs" shop.

    A few things that might not be apparent from the photos are:
    * The outer rails are 2x2 x .120" wall
    * The inner rails are 2x3 x .065" wall
    * The cross bracing is 1x2 x .065" wall

    The cross bracing is flush with the top rails, leaving a 1" void between the bottom of the outer rails & the bottom of the cross bracing. This is where we run the brake lines & car wiring to the rear for fuel pump, tail lights, etc.

    The brake lines utilize two bulkhead fittings that go through the dog legs (at the firewall) & rear crossmember. The main fuse block, Holley ECU, No-Lift Shift Controller & Data Logger all mount on the backside of the firewall, in the cockpit & under the dash on a rubber insulated panel to reduce NVH to the electronics. The wiring goes through the floor & into to that same 1" void to the rear crossmember ... where it then goes into & through the rear frame rail back to the cell & tail lights.

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    The engine & trans are just "mocked up" & locked in place in these photos. We do this so the actual engine & trans mounts can be built & the exhaust can be run. The headers & exhaust run down the center of the car.

    Later, there will be a "tunnel backbone" structure built into the car. It gets super insulated to help keep the driver cool. Plus JET-HOT High Performance Coatings coats the headers & exhaust INSIDE & OUTSIDE with with their top line 2000° thermal barrier. This is to reduce heat transfer to the transmission & driver.

    If you look close, you'll notice Randy fabricated a thin steel panel that attaches to the bottom & top of the fiberglass body rockers. The panel has 6 rivnuts in it to allow the chassis to bolt to the rockers. You can see the milled holes in the frame rails that allow access to these bolts from under the car (with the belly pan removed.) The body is NOT quickly removable. Impossible to seal off the cockpit if it was. But the body can be removed in about an hour if needed for crash repair.

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    We're going to the optima Ultimate Street Car event in Las Vegas for the weekend. So no updates until Monday.

    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

  19. #19
    Join Date
    Mar 2018
    Posts
    3

    Default

    Quote Originally Posted by Ron Sutton View Post
    Car Year & Model: 70 Ford Mustang Fastback
    Competing in: NASA TTU & Track Days
    Front Clip/Suspension: GT Track-Warrior
    Rear Clip/Suspension: GT Track-Warrior
    Engine: Track-Warrior 3 LS7 700 HP
    Trans: PPG Sequential Shift T56 6-Speed
    Brakes: StopTech 14” ST60/ST40
    Owner: Greg Weld
    Builder: Randy Chastain – One Off Customs

    Here are some photos with the mid-frame structure done at Randy Chastain's "One-Off Customs" shop.

    A few things that might not be apparent from the photos are:
    * The outer rails are 2x2 x .120" wall
    * The inner rails are 2x3 x .065" wall
    * The cross bracing is 1x2 x .065" wall

    The cross bracing is flush with the top rails, leaving a 1" void between the bottom of the outer rails & the bottom of the cross bracing. This is where we run the brake lines & car wiring to the rear for fuel pump, tail lights, etc.

    The brake lines utilize two bulkhead fittings that go through the dog legs (at the firewall) & rear crossmember. The main fuse block, Holley ECU, No-Lift Shift Controller & Data Logger all mount on the backside of the firewall, in the cockpit & under the dash on a rubber insulated panel to reduce NVH to the electronics. The wiring goes through the floor & into to that same 1" void to the rear crossmember ... where it then goes into & through the rear frame rail back to the cell & tail lights.

    Name:  IMG_1482.jpg
Views: 1746
Size:  261.6 KB

    Name:  IMG_1484.jpg
Views: 1724
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    The engine & trans are just "mocked up" & locked in place in these photos. We do this so the actual engine & trans mounts can be built & the exhaust can be run. The headers & exhaust run down the center of the car.

    Later, there will be a "tunnel backbone" structure built into the car. It gets super insulated to help keep the driver cool. Plus JET-HOT High Performance Coatings coats the headers & exhaust INSIDE & OUTSIDE with with their top line 2000° thermal barrier. This is to reduce heat transfer to the transmission & driver.

    If you look close, you'll notice Randy fabricated a thin steel panel that attaches to the bottom & top of the fiberglass body rockers. The panel has 6 rivnuts in it to allow the chassis to bolt to the rockers. You can see the milled holes in the frame rails that allow access to these bolts from under the car (with the belly pan removed.) The body is NOT quickly removable. Impossible to seal off the cockpit if it was. But the body can be removed in about an hour if needed for crash repair.

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    We're going to the optima Ultimate Street Car event in Las Vegas for the weekend. So no updates until Monday.

    what gauge sheet did you use for the bracket that holds the body to the frame? Im doing something similiar and was gonna use 1/8 inch but figured that would be overkill. Ill be using a steel body. Leaning towards 14 gauge for the bracket. Do you think that would be enough?

  20. #20
    Join Date
    Nov 2012
    Location
    Sacramento, CA
    Posts
    2,552
    Country Flag: United States

    Default

    Quote Originally Posted by dittlick96 View Post
    what gauge sheet did you use for the bracket that holds the body to the frame? Im doing something similiar and was gonna use 1/8 inch but figured that would be overkill. Ill be using a steel body. Leaning towards 14 gauge for the bracket. Do you think that would be enough?

    Great question. Here is a list of sheet metal we use & where:

    Steel:
    Driver & Passenger Side Floor = 18 Gauge Steel / .048"
    Transmission Tunnel = 22 Gauge Steel / .030"
    Front Firewall / All Parts = 22 Gauge Steel / .030"
    Rear Firewall/Bulkhead/Rear Deck = 22 Gauge Steel / .030"
    Rear Wheel Tubs = 22 Gauge Steel / .030"
    Rocker Box Plates (for Steel Body Mounting) = 16 Gauge Steel / .063"
    Rocker Box Plates (for Fiberglass Body Mounting) = 18 Gauge Steel / .048"

    Aluminum:

    Belly Pan / Diffuser Bottom = 20 Gauge 5052 Aluminum / .032"
    Rear Floor = 20 Gauge 5052 Aluminum / .032"
    Door Panels = 20 Gauge 5052 Aluminum / .032"
    Front Inner Fenders/Engine Compartment = 18 Gauge 5052 Aluminum / .040"
    * Aluminum sheets that are covered in PVC to protect them.

    Feel free to chime in or ask technical questions. I am here to help where I can.

    Ron Sutton

    Ron Sutton Race Technology
    Your One Stop, Turn & Go Fast, Car Building Resource Center for Autocross, Track, Road Racing & Triple Duty Pro-Touring Cars

    Check out our 412 Page Car Building Catalog HERE

    Features: Suspension, Chassis, Cages, Brakes, Rear Ends, Engines, Transmissions, Aero & Much, Much More!

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